netdev - Re: possible macvlan packet loss

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20230124174406.4dbe97c5@kernel.org>
Date:   Tue, 24 Jan 2023 17:44:06 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Aleksander Dutkowski <adutkowski@...il.com>
Cc:     netdev@...r.kernel.org
Subject: Re: possible macvlan packet loss

On Tue, 24 Jan 2023 16:14:03 +0100 Aleksander Dutkowski wrote:
> I wonder what is the best way to test and measure the queue fulfillment?
> We can do simple printf when the queue is full, but maybe there are
> some tools or techniques I'm not aware of that we can use?

In terms of debugging tools bpftrace (potentially combined with kprobes)
will change your life.